Paradone
Open-source distributed system for media streaming with WebRTC
Gaspard Perrot
RMLL — 2015/07/07
CC BY SA
Plan
• Problem
• State of the art
• Paradone’s Goals
• Technologies (and their limitations) behind Paradone
• Future work
About me
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Problem: How can a video be
broadcasted more efficiently, in
higher quality, to more people ?
State of the Art
Client/Server Communication
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State of the Art
CDN and the Cloud
State of the Art
Peer-to-peer
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Paradone’s Goals
• Reduce bandwidth costs of broadcasters
• Peer-to-peer communication between users
• Independent of the broadcaster infrastructure
• Works in a web browser without plugins
• Deliver a better service to the user
• Implementation as a free software
Technologies behind Paradone
• WebRTC for P2P communication
• Media Source Extension for video playback
• P2P Gossiping Protocol for broadcast management
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Technologies behind Paradone
WebRTC
• Access to camera and microphone of the computer
• Receive and transmit this streams
• Communicate directly with an other browser with the P2P DataChannels
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Technologies behind Paradone
Media Source Extension
• Play videos in the browser without Flash
• Play videos with adaptative bitrate without Flash
• Play videos with DRM without Flash
Technologies behind Paradone
P2P Gossiping Protocol
• Unstructured overlay network
• More resilient to churn
• Heterogeneous capability aware protocol
13
Future Work
• Large scale tests
• Security for the broadcast and the communication
• Federated signalling system à la matrix.org
Merci
https://paradone.github.io
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